bromine in not given byproducts: CH2CH2, PPh2Br; in nonpolar solvents;

2,2'-azo-bisisobutyronitrile in neat (no solvent) under protective gas addn. of AIBN to the mixt. of (CH3)3SnH and P(C6H5)2CHCH2 without solvent slowly heating to 60-70°C, then 6-7 h at 70-90°C meanwhile addn. of the rest of AIBN; vac. distn., elem. anal.;

2-chloroethyldiphenylphosphine in diethyl ether; ammonia byproducts: NaCl; NH3 soln. of NaSnMe3 at ca -70°C was added dropwise to Et2O soln. of Cl(CH2)2PPh2, evapg., treatment with Et2O, filtration; evapn., distn. in vac.;

in neat (no solvent) byproducts: ethylenebis(diphenylphosphine); under protective gas mixt. of (CH3)3SnCHCH2 and (C6H5)2PH in presence of AIBN without solvent, heated at 80-90°C during 10 h;

in neat (no solvent) byproducts: Me4Sn; heating of the react. mixt. at ca 60°C, then 1-2 d at room temp., treatment with hexane, filtration, evapg. of filtrate, adding of Me3SnCl, repeating of procedure; crystn. from benzene/hexane or ppn. with H2O from EtOH soln.; elem. anal.;